TY - BOOK AU - Loehr,Nicholas A. TI - An Introduction to Mathematical Proofs SN - 9780429322587 AV - QA9.54 .L825 2020 U1 - 511.3/6 23 PY - 2020/// CY - Boca Raton PB - CRC Press & Taylor and Francis Group KW - Proof theory KW - Textbooks N1 - Includes bibliographical references and index ER -